Question 41 Answer and Explanation _ACT April 2011 Form 67F Math Section

Question 41 Answer and Explanation _ACT April 2011 Form 67F Math Section

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41. A particular circle in the standard (x,y) coordinate plane has an equation of (x - 8)² + y² = 15. What are the radius of the circle, in coordinate units, and the coordinates of the center of the circle?

A. radius is 7.5, center is (-8,0)

B. radius is 7.5, center is (8,0)

C. radius is 15, center is (8,0)

D. radius is √15, center is (-8,0)

E. radius is √15, center is (8,0)

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation